<template>
<div class="all">
<div class="center-box">
  弹出内容
</div>
</div>
</template>

<script>
export default {
  name: "WindowAlert"
}
</script>

<style scoped>
.all{
  height: 100%;
  width: 100%;
  position: fixed;
  z-index: 1000;
  background: rgba(0,0,0,0.2);
}
.center-box{
  width: 500px;
  height: 400px;
  background: white;
  margin: 200px auto 0 auto;

}
</style>